This is not caused by xenial-proposed. xenial-proposed is version 2.1.3-4ubuntu0.1 and I got tons of reports on version 2.1.3-4 which is before xenial-proposed. So the origin must be somewhere else.
This is not caused by xenial-proposed. xenial-proposed is version 2.1.3-4ubuntu0.1 and I got tons of reports on version 2.1.3-4 which is before xenial-proposed. So the origin must be somewhere else.